81.

Comet 237P/LINEAR passes perihelion Comet 237P/LINEAR makes its closest approach to the Sun. Sun, 14 May 2023 (51 days away) in Sagittarius

82.

Mercury at aphelion Mercury passes the furthest point along its orbit from the Sun. Sun, 14 May 2023 at 15:27 EDT (51 days away) in Aries

83.

Close approach of the Moon and Jupiter The Moon and Jupiter pass within 43' of each other. Wed, 17 May 2023 at 08:40 EDT (54 days away) in Pisces

84.

Lunar occultation of Jupiter The Moon will pass in front of Jupiter, creating a lunar occultation visible from countries and territories including Canada, the Contiguous United States, Greenland and Mexico amongst others. Wed, 17 May 2023 at 08:40 EDT (54 days away) in Pisces

85.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 47'. Wed, 17 May 2023 at 09:18 EDT (54 days away) in Pisces

86.

The Moon at perihelion The Moon passes its orbit's closest point to the Sun, which happens each month around the time of new moon. Wed, 17 May 2023 at 20:22 EDT (54 days away) in Aries

87.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 3°35'. Wed, 17 May 2023 at 21:36 EDT (54 days away) in Aries

88.

New Moon The Moon disappears into the Sun's glare for a few days. Fri, 19 May 2023 at 11:54 EDT (56 days away) in Taurus

89.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 2°12'. Tue, 23 May 2023 at 08:09 EDT (60 days away) in Gemini

90.

Close approach of the Moon and Venus The Moon and Venus pass within 2°11' of each other. Tue, 23 May 2023 at 08:37 EDT (60 days away) in Gemini

91.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 3°45'. Wed, 24 May 2023 at 13:33 EDT (61 days away) in Cancer

92.

Close approach of the Moon and Mars The Moon and Mars pass within 3°39' of each other. Wed, 24 May 2023 at 15:19 EDT (61 days away) in Cancer

93.

The Moon at apogee The Moon recedes to its orbit's furthest point from the Earth, making it appear fractionally smaller than at other times of the month. Thu, 25 May 2023 at 21:38 EDT (62 days away) in Leo

94.

Moon at First Quarter The Moon reaches first quarter phase – appearing high in the sky at sunset and setting in the west at around midnight. Sat, 27 May 2023 at 11:22 EDT (64 days away) in Leo

95.

Messier 4 is well placed The globular cluster M4 (NGC 6121; mag 5.6) in Scorpius culminates at around midnight local time. Sun, 28 May 2023 (65 days away) in Scorpius

96.

Mercury at greatest elongation west Mercury is bright and well placed in the dawn sky. Mon, 29 May 2023 at 03:44 EDT (66 days away) in Aries

97.

Mars at aphelion Mars passes the furthest point along its orbit from the Sun. Tue, 30 May 2023 at 15:30 EDT (67 days away) in Cancer

98.

Close approach of Mars and M44 Mars and M44 pass within 10' of each other. Fri, 02 Jun 2023 at 19:06 EDT (70 days away) in Cancer

99.

The Great Globular Cluster in Hercules is well placed The Great Globular Cluster in Hercules (M13, NGC 6205; mag 5.8) culminates at around midnight local time. Fri, 02 Jun 2023 (70 days away) in Hercules

100.

Lunar occultation of Delta Scorpii The Moon will pass in front of Delta Scorpii (Dschubba), creating a lunar occultation visible from countries and territories including Antarctica, Australia, New Zealand and Chile amongst others. Sat, 03 Jun 2023 at 05:56 EDT (71 days away) in Scorpius